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Metrel A1422 Active 3-Phase Adapter

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A1422
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The Metrel A1422 Active 3-Phase Adapter is a comprehensive yet simple-to-use instrument suitable for testing three-phase appliances, machinery and RCDs. It is designed for use with Metrel’s MI3321 MultiservicerXA, MI3360 OmegaGT PAT Tester and MI3310/ MI3310 25A SigmaGT PAT Testers, and can perform functional tests on equipment up to 40A when used with these instruments. For a quick overview of the Metrel A1422 Active 3-Phase Adapter’s testing capabilities when used with the MI3310 PAT Testers or MI3321 MultiservicerXA, please see the following table.

Tests/ Functions  MI3310/MI3310A MI3321
Earth bond / continuity resistance
Continuity (single / auto)
Insulation resistance
Insulation resistance – s
High voltage test
Loop impedance and prospective fault current
Discharging time
Voltage, frequency, three-phase rotary field
Substitute leakage current
Substitute leakage – s
Differential leakage current
3-phase differential leakage current
Touch leakage current
Polarity test
Active polarity test
3-phase polarity test / 3-phase active polarity test
Clamp current test
P/RCD test
3-phase P/RCD test
Power / functional test
3-phase power / functional test
Continuity test (according to IEC/ EN 60974-4)
Insulation resistance (according to IEC/ EN 60974-4)
Leakage current (according to IEC/ EN 60974-4)
No load voltage (according to IEC/ EN 60974-4)

The Metrel A1422 Active 3-Phase Adapter features the following test functions:

  • Live leakage
  • Differential leakage
  • Power
  • Polarity
  • Active polarity
  • RCD

This instrument is also capable of performing open-circuit voltage tests at ARC welding units in accordance with EN 60974-4. The Metrel A1422 Active 3-Phase Adapter is able to test single- and three-phase ARC welding equipment in accordance with EN 60974-4 and VDE 0544-4. It is also equipped with several built-in test socket-outlets designed to facilitate the testing of industrial extension leads. The Metrel A1422 Active 3-Phase Adapter is able to test RCD protected industrial extension leads.

Furthermore, the Metrel A1422 Active 3-Phase Adapter is supplied with all the accessories required for performing measurements comfortably. It is optimised for convenience and ease-of-use and, to this end, automatically sets test sequences for three-phase procedures based on entered test codes and input voltages. The Metrel A1422 Active 3-Phase Adapter’s three-phase test procedures are identical to single-phase test procedures, again adding to its ease of operation.

Additionally, the Metrel A1422 Active 3-Phase Adapter is supplied in a robust, waterproof case. This, combined with its extensive test procedures and simple design, makes it ideal for a variety of advanced applications including professional testing of three-phase portable appliances, machines and ARC welding equipment.

Metrel A1422 Active 3-Phase Adapter Key Features

  • A comprehensive yet simple-to-use instrument suitable for testing three-phase appliances, machines and RCDs
  • Use with Metrel’s MI3321, MI3360 OmegaGT and MI3310/ MI3310 25A SigmaGT Testers
  • Use with the aforementioned testers to perform functional tests on equipment up to 40A
  • Automatically recognises the connected PAT tester or machine tester
  • Live leakage test
  • Differential leakage test
  • Power test
  • Polarity test
  • Active polarity test
  • RCD test
  • Perform open-circuit voltage tests at ARC welding units in accordance with EN 60974-4
  • Test single- and three-phase welding equipment in accordance with EN 60974-4 and VDE 0544-4
  • Built-in test socket-outlets facilitate the testing of industrial extension leads
  • Test RCD protected industrial extension leads
  • Integrated CEE 3-phase/ 32 A 5-pin, CEE 3-phase/ 16 A 5-pin and CEE 1-phase/ 16A 3-pin test sockets
  • Supplied with all the accessories required for performing measurements comfortably
  • Automatically sets the test sequences for three-phase test procedures based on entered test codes and input voltages
  • Simple-to-use: three-phase test procedures are identical to single-phase test procedures
  • Supplied in a robust, waterproof case
  • Ideal for professionally testing three-phase portable appliances, machines and ARC welding equipment

Applications

Industrial Systems  Switchboards / Controlgears
Machines / Power Loads
Electrical Equipment / Appliances
Working Places Health / Safety Care
3-phase system testing
Special Installations/ Locations  Construction Sites
Ships / Boats / Marina Places
Welding equipment testing
Service / Repair / Rental Offices
Buildings Facility Management  Portable Appliances / Fixed Wiring

What’s Included?

  • Metrel A1422 Active 3-Phase Adapter
  • Bag for Accessories
  • Measuring/ Connection Cable Between Adapter and Instrument
  • 3-Phase Mains Cable 16 A Male / 32 A Female, 5-pin, 2m
  • RS232 Cable
  • Instruction Manual
  • Short Instruction Manual
  • Calibration Certificate
Part CodeA1422

Metrel A1422 Active 3-Phase Adapter Technical Specifications 

Range Resolution Accuracy 
Differential leakage current (230/400 VAC or 120/208 VAC) - Differential leakage current readout
0.00 mA ÷ 9.99 mA 0.01 mA ±(5 % of reading + 5 digits)
Power / Functional test (230/400 VAC or 120/208 VAC) - Apparent power readout
0.00 kVA ÷ 24.00 kVA 0.01 kVA ±(5 % of reading + 5 digits)
Active power readout
0.00 kW ÷ 24.00 kW 0.01 kW ±(5 % of reading + 5 digits)
Reactive power readout
0.00 kW ÷ 24.00 kVAr 0.01 kVAr ±(5 % of reading + 5 digits)
Power factor readout
0.00 ÷ 1.00 0.01 ±(5 % of reading + 5 digits)
3-phase RCD / Test current (10 mA, 15 mA, 30 mA, 100 mA, 300 mA) - Portable RCD trip-out time readout (AC and A type PRCD)
0 ms ÷ 300 ms (½ x I∆N, I∆N ) 1 ms ±3 ms
0 ms ÷ 150 ms (2 x I∆N 1 ms
0 ms ÷ 40 ms (5 x I∆N) 1 ms
Portable RCD trip-out current readout (B type PRCD)
0.2 x I∆N ÷ 2.2 x I∆N 0.05 x I∆N ±0.1 x I∆N
Continuity of the protective circuit (according to IEC/ EN 60974-4) - Test current set to 10 A
0.00 Ω ÷ 1.99 Ω 0.01 Ω ±(5 % of reading + 3 digits)
2.00 Ω ÷ 19.99 Ω 0.01 Ω ±10 %
Test current set to 200 mA
0.00 Ω ÷ 1.99 Ω 0.01 Ω ±(5 % of reading + 3 digits)
2.00 Ω ÷ 9.99 Ω 0.01 Ω ±10 %
10.0 Ω ÷ 19.9 Ω 0.1 Ω
Insulation resistance (supply circuit to protective circuit); (welding circuit to protective circuit); (Insulation resistance supply circuit to welding circuit; (according to IEC/ EN 60974-4) - Insulation LN-PE readout; W-PE readout; LN-W readout:
0.000 MΩ ÷ 0.500 MΩ 0.001 MΩ ±(10 % of reading + 5 digits)
0.501 MΩ ÷ 1.999 MΩ 0.001 MΩ ±(5 % of reading + 3 digits)
2.00 MΩ ÷ 19.99 MΩ 0.01 MΩ
20.0 MΩ ÷ 199.9 MΩ 0.1 MΩ
Insulation resistance (supply circuit of class II equipment to accessible surfaces) (according to IEC/ EN 60974-4) - Insulation LN-P readout:
0.000 MΩ ÷ 0.500 MΩ 0.001 MΩ ±(10 % of reading + 5 digits)
0.501 MΩ ÷ 1.999 MΩ 0.001 MΩ ±(5 % of reading + 3 digits)
2.00 MΩ ÷ 19.99 MΩ 0.01 MΩ
Welding circuit leakage current; Primary leakage current (according to IEC/ EN 60974-4) - Welding circuit leakage current readout; Primary leakage current readout:
0.00 mA ÷ 14.99 mA 0.01 mA ±(5 % of reading + 5 digits)
No load voltage (acc. to IEC/ EN 60974-4) - No load voltage readout: (AC peak or DC peak)
0.0 V ÷ 199.9 V 0.1 V ±(5 % of reading + 5 digits)
No load voltage readout: (AC RMS)
0.0 V ÷ 139.9 V 0.1 V ±(5 % of reading + 5 digits)
Notes Polarity test Standard test (<60 VAC and DC)
Polarity test Active (Mains supply voltage, over-current protection)
General Specifications 
Supply voltage 1-phase 230 V ±10 %
Supply voltage 3-phase 230/400 V ±10 %
120/208 V ±10 %
Maximum test current 32 A, 40 A max (10 min)
Overvoltage category CAT II / 300 V
Protection classification I
Pollution degree 2
Protection degree IP 65 (closed and locked cover
IP 20 (connectors)
Case Shockproof plastic, portable
Dimensions (w x h x l) 335 x 160 x 335 mm
Weight 7.2 kg
Working temperature range 0 °C ÷ 40 °C
Maximum relative humidity 85 %RH (0 °C ÷ 40 °C)
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